/* ==========================================
   DESIGN TOKENS & RESET
   ========================================== */
:root {
  /* Colors - Earth-Toned Sage & Cream Palette */
  --bg-primary: #0f130d;      /* Dark Forest Green-Black */
  --bg-secondary: #171d14;    /* Slightly lighter Forest Green-Dark */
  --bg-card: rgba(23, 29, 20, 0.75);
  --bg-glass: rgba(255, 255, 255, 0.02);
  --bg-glass-hover: rgba(255, 255, 255, 0.05);

  /* Accents from the color palette */
  --accent-blue: #6b8470;     /* Muted Sage Green */
  --accent-purple: #4a5e4e;   /* Dark Sage / Olive */
  --accent-cyan: #8ea894;     /* Bright Sage / Mint Accent */
  --accent-pink: #ece3d5;     /* Warm Cream Accent */

  --gradient-primary: linear-gradient(135deg, #6b8470, #4a5e4e);
  --gradient-secondary: linear-gradient(135deg, #8ea894, #6b8470);
  --gradient-accent: linear-gradient(135deg, #4a5e4e, #ece3d5);
  --gradient-hero: linear-gradient(160deg, #0f130d 0%, #171d14 40%, #222d1f 70%, #0f130d 100%);

  /* Typography Colors */
  --text-primary: #ece3d5;     /* Warm Cream */
  --text-secondary: #a6b2a4;   /* Muted Sage/Grey */
  --text-muted: #738071;       /* Darker Muted Sage/Grey */

  --border-color: rgba(107, 132, 112, 0.12);
  --border-glow: rgba(107, 132, 112, 0.35);

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px rgba(107, 132, 112, 0.12);
  --shadow-glow-purple: 0 0 40px rgba(74, 94, 78, 0.12);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Cursor Glow Effect */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(107, 132, 112, 0.1) 0%, rgba(74, 94, 78, 0.03) 50%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  will-change: transform;
  transition: transform 0.08s cubic-bezier(0.25, 1, 0.5, 1);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-blue) var(--bg-primary);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  perspective: 1500px;
  perspective-origin: 50% 30%;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-blue); border-radius: 3px; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================
   ANIMATED BACKGROUND
   ========================================== */
.bg-particles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-particles .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: orbFloat 20s ease-in-out infinite;
}

.bg-particles .orb:nth-child(1) {
  width: 600px; height: 600px;
  background: var(--accent-blue);
  top: -200px; left: -100px;
  animation-duration: 25s;
}

.bg-particles .orb:nth-child(2) {
  width: 500px; height: 500px;
  background: var(--accent-purple);
  top: 40%; right: -150px;
  animation-duration: 30s;
  animation-delay: -5s;
}

.bg-particles .orb:nth-child(3) {
  width: 400px; height: 400px;
  background: var(--accent-cyan);
  bottom: -100px; left: 30%;
  animation-duration: 22s;
  animation-delay: -10s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -30px) scale(1.1); }
  50% { transform: translate(-30px, 50px) scale(0.95); }
  75% { transform: translate(40px, 20px) scale(1.05); }
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition-smooth);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(15, 19, 13, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  background: var(--accent-blue);
  border-radius: 50%;
}

.nav-cta {
  padding: 8px 20px !important;
  background: var(--gradient-primary) !important;
  color: white !important;
  font-weight: 600 !important;
  border-radius: var(--radius-full) !important;
}

.nav-cta:hover {
  box-shadow: var(--shadow-glow) !important;
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 100%; height: 100%;
  background: radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 80px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-badge .dot {
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero h1 .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
  font-weight: 500;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 36px;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--bg-glass-hover);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.hero-image {
  flex: 0 0 380px;
  position: relative;
  animation: fadeInUp 0.8s ease-out 0.3s both;
  margin-top: 40px;
}

.hero-image-wrapper {
  position: relative;
  width: 340px; height: 340px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid transparent;
  background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
              var(--gradient-primary) border-box;
  box-shadow: var(--shadow-glow);
}

.hero-image-wrapper img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 45%;
}

.hero-image-ring {
  position: absolute;
  inset: -15px;
  border-radius: 50%;
  border: 1px solid rgba(59, 130, 246, 0.2);
  animation: spin 20s linear infinite;
}

.hero-image-ring::before {
  content: '';
  position: absolute;
  top: -4px; left: 50%;
  width: 8px; height: 8px;
  background: var(--accent-blue);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-blue);
}

@keyframes spin { to { transform: rotate(360deg); } }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero-stat h3 {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat p {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
}

/* ==========================================
   SECTION STYLES
   ========================================== */
.section {
  padding: var(--section-padding);
  position: relative;
  z-index: 1;
  transform-style: preserve-3d;
  transform-origin: top center;
  transform: rotateX(-8deg) scale(0.97) translateY(30px);
  opacity: 0;
  transition: transform 1.1s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.section.visible {
  transform: rotateX(0deg) scale(1) translateY(0);
  opacity: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1.02rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-highlight-card {
  padding: 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.about-highlight-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-glass-hover);
  transform: translateY(-2px);
}

.about-highlight-card .icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.about-highlight-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.about-highlight-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.about-image-section {
  position: relative;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
}

.about-image-card img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-image-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 30px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
}

.about-image-overlay h4 {
  font-weight: 600;
  margin-bottom: 4px;
}

.about-image-overlay p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ==========================================
   EDUCATION / TIMELINE
   ========================================== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple), transparent);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: right;
}

.timeline-content {
  width: calc(50% - 40px);
  padding: 28px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 28px;
  width: 16px; height: 16px;
  background: var(--gradient-primary);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 3px solid var(--bg-primary);
  z-index: 2;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.timeline-year {
  font-size: 0.8rem;
  color: var(--accent-blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.coursework-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.timeline-item:nth-child(odd) .coursework-tags {
  justify-content: flex-end;
}

.coursework-tag {
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--accent-blue);
  font-weight: 500;
}

/* ==========================================
   SKILLS SECTION
   ========================================== */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.skills-category h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skills-category h3 .icon {
  font-size: 1.4rem;
}

.skill-item {
  margin-bottom: 24px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 600;
}

.skill-percent {
  font-size: 0.8rem;
  color: var(--accent-blue);
  font-weight: 600;
}

.skill-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.skill-bar-fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px; height: 12px;
  background: var(--accent-blue);
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
}

.skill-bar-fill.purple { background: var(--gradient-accent); }
.skill-bar-fill.purple::after { background: var(--accent-purple); box-shadow: 0 0 8px rgba(139, 92, 246, 0.5); }
.skill-bar-fill.cyan { background: var(--gradient-secondary); }
.skill-bar-fill.cyan::after { background: var(--accent-cyan); box-shadow: 0 0 8px rgba(6, 182, 212, 0.5); }

/* Soft Skills Grid */
.soft-skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.soft-skill-card {
  padding: 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition-smooth);
  cursor: default;
}

.soft-skill-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-glass-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.soft-skill-card .icon {
  font-size: 2rem;
  margin-bottom: 10px;
  display: block;
}

.soft-skill-card h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.project-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.project-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-card-image img {
  transform: scale(1.08);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, rgba(0,0,0,0.7));
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: var(--transition-smooth);
}

.project-card:hover .project-card-overlay {
  opacity: 1;
}

.project-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card-tag {
  display: inline-flex;
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  color: var(--accent-blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  width: fit-content;
}

.project-card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.project-card-body p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  flex: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.project-tech span {
  padding: 3px 10px;
  background: var(--bg-glass);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================
   EXPERIENCE SECTION
   ========================================== */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.experience-card {
  padding: 36px 28px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.experience-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-smooth);
}

.experience-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.experience-card:hover::before {
  opacity: 1;
}

.experience-card .icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.experience-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.experience-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.experience-card .year-badge {
  display: inline-flex;
  padding: 4px 12px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  color: var(--accent-purple);
  font-weight: 600;
  margin-top: 16px;
}

/* ==========================================
   HOBBIES SECTION
   ========================================== */
.hobbies-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.hobbies-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.hobby-card {
  padding: 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
  text-align: center;
}

.hobby-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-glow);
}

.hobby-card .icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
  display: block;
}

.hobby-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.hobby-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.hobbies-quote {
  padding: 36px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--accent-purple);
}

.hobbies-quote .icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.hobbies-quote blockquote {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.8;
}

/* ==========================================
   ACHIEVEMENTS SECTION
   ========================================== */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.achievement-card {
  padding: 32px 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.achievement-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.achievement-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.achievement-card:hover::after {
  transform: scaleX(1);
}

.achievement-card .icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.achievement-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.achievement-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================
   GALLERY SECTION
   ========================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition-smooth);
  aspect-ratio: 4/3;
}

.gallery-item:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.8));
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-overlay h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.gallery-item-overlay p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 85%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.4s ease;
}

.lightbox.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 24px; right: 32px;
  font-size: 2rem;
  color: white;
  background: none;
  border: none;
  cursor: pointer;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.lightbox-caption {
  position: absolute;
  bottom: 32px;
  color: white;
  font-size: 1rem;
  text-align: center;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 36px;
  font-size: 1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.contact-item:hover {
  border-color: var(--border-glow);
  transform: translateX(6px);
}

.contact-item .icon-box {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-text h4 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item-text p {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.contact-form {
  padding: 36px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .btn {
  width: 100%;
  justify-content: center;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-blue);
  transform: translateY(-2px);
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.96) translateY(20px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Staggered entrance for grids */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.47s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 0.54s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
  transform: translateY(-4px);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
  .hero .container { gap: 40px; }
  .hero h1 { font-size: 3rem; }
  .hero-image { flex: 0 0 280px; }
  .hero-image-wrapper { width: 260px; height: 260px; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .experience-grid { grid-template-columns: 1fr 1fr; }
  .achievements-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { 
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: rgba(15, 19, 13, 0.96);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 16px;
    z-index: 999;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.2rem;
    padding: 12px 24px;
  }

  .mobile-menu-btn { display: block; }

  .hero .container {
    flex-direction: column-reverse;
    text-align: center;
    gap: 40px;
    padding-top: 120px;
  }

  .hero h1 { font-size: 2.4rem; letter-spacing: -1px; }
  .hero-description { margin: 0 auto 36px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; gap: 32px; }
  .hero-image { flex: 0 0 auto; }
  .hero-image-wrapper { width: 220px; height: 220px; margin: 0 auto; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .skills-grid { grid-template-columns: 1fr; gap: 36px; }
  .projects-grid { grid-template-columns: 1fr; }
  .experience-grid { grid-template-columns: 1fr; }
  .hobbies-container { grid-template-columns: 1fr; }
  .achievements-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }

  .section-title { font-size: 2rem; }

  .timeline::before { left: 20px; }
  .timeline-item { flex-direction: row !important; text-align: left !important; }
  .timeline-dot { left: 20px; }
  .timeline-content { width: calc(100% - 60px); margin-left: auto; }
  .timeline-item:nth-child(odd) .coursework-tags { justify-content: flex-start; }

  .footer .container {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .gallery-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .about-highlights { grid-template-columns: 1fr; }
  .soft-skills-grid { grid-template-columns: 1fr; }
  .hobbies-grid { grid-template-columns: 1fr; }
  .achievements-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
}

/* ==========================================
   VIRTUAL PIANO KEYBOARD & FLOATING NOTES
   ========================================== */
.piano-container {
  max-width: 440px;
  margin: 40px auto 0;
  padding: 24px 20px;
  background: rgba(23, 29, 20, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
  text-align: center;
  position: relative;
}

.piano-keys {
  display: flex;
  justify-content: center;
  position: relative;
  height: 150px;
  margin-top: 20px;
  background: #0b0d0a;
  padding: 6px 6px 0;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(107, 132, 112, 0.2);
}

.white-key {
  width: 36px;
  height: 138px;
  background: #fdfaf5;
  border: 1px solid #dcd4c5;
  border-radius: 0 0 5px 5px;
  cursor: pointer;
  z-index: 1;
  transition: background-color 0.1s, transform 0.1s, box-shadow 0.1s;
  box-shadow: inset 0 -6px 0 #e9e0cf, 0 3px 4px rgba(0,0,0,0.35);
  position: relative;
}

.white-key:active, .white-key.active {
  background: #e5dac6;
  box-shadow: inset 0 -2px 0 #c7bca7, 0 1px 2px rgba(0,0,0,0.25);
  transform: translateY(3px);
  z-index: 1;
}

.black-key {
  width: 22px;
  height: 85px;
  background: linear-gradient(to bottom, #232a22, #0d100c);
  border: 1px solid #000;
  border-radius: 0 0 4px 4px;
  cursor: pointer;
  z-index: 2;
  margin-left: -11px;
  margin-right: -11px;
  transition: background-color 0.1s, transform 0.1s, box-shadow 0.1s;
  box-shadow: inset 0 -4px 0 #070806, 0 3px 4px rgba(0,0,0,0.5);
}

.black-key:active, .black-key.active {
  background: #3c4b3a;
  transform: translateY(2px);
  box-shadow: inset 0 -1px 0 #070806, 0 1px 2px rgba(0,0,0,0.3);
}

.piano-label {
  font-size: 0.78rem;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* Floating Music Notes Background */
.music-notes-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.floating-note {
  position: absolute;
  color: var(--accent-blue);
  opacity: 0;
  font-size: 2rem;
  animation: floatNote 15s linear infinite;
  bottom: -50px;
  will-change: transform, opacity;
}

@keyframes floatNote {
  0% {
    transform: translateY(0) rotate(0deg) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.04;
  }
  90% {
    opacity: 0.04;
  }
  100% {
    transform: translateY(-105vh) rotate(360deg) translateX(60px);
    opacity: 0;
  }
}